1999 HONDA CIVIC Control unit terminal

Connector ldentification and Wire Harness Routinq
Connector
oa
Terminal
Number ot
Cavities/
Color
LocationConnects toNotes
Engine Wire Harness (816A2 engine): '99;00 models
c101
c102
c103
c104
c104
cl05
c106
c107
c108
c110
c111
c112
c113
c114
c115
c116
cl17
c119
c120
c121
c't22
c123
c124
c129
c130
c131
c133
c134
c137
c138
c140
1O-GRY
2-GRY
1.CLR
4-GRN
3.N/A
2-BLK
2-BLK
2-BLK
2-BLK
3.GRY
3.GRY
2-BLK
2-GRY
2-BLK
14-BLU
14-GRY
3-GRY
2-GRY
1O-GRY
1-BLK
2-GRY
4-GRY
2-GRY
1-BLK
2O.BRN
22-GRN
25-GRY
31-BLU
2-GRY
2-GRY
1-GRY
2-GRY
Left side of engine compartmenl
Lett side of engine
Middle of engine
Left side of engine
Left side of engine
Middle of engine
Middle of engine
Middle of engine
Middle ol engine
Middle of engine
Middle of engine
Middle of engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine companment
Middle ot engine
Middle of engine
Middle of engine
Middle ot engine
Middle ot engine
Middle of engine
Right side of engine
Under right side of dash
Behind right kick panel
Below right tront footrest
Below right front footrest
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Altemator
No. 1 fuel injector
No. 2 fuel injector
No. 3 fuel injector
No. 4 fuel injector
TP sensor
MAP sensor
IAT sensor
Power steering pressure switch
EVAP purge control solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Engine coolant temperature switch
Distributor
Engine coolant temperaturesending unit
ECT sensor
Primary HO2S (sensor 1)
Back-up light switch
Starter solenoid
Junction connector
Main wire harness
ECM connector B
ECM connector C
Knock Sensor (KS)
IAC valve
VTEC solenoid valve
VTEC pressure switch
USA
Canada
USA
T101
T102
Lett side of engine
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G101Right side of engineEngine ground, via engine wirenarness
203-12
a

Connector ldentification and Wire Harness Routino
Connector
or
Terminal
Number ot
CavitiesLocationConnects toNotes
Engine Wire Harness (D1685)
c101
cl02
c103
c104
c105
c106
c107
c108
c109
c110
c111
cl12
c113
cl15
cl16
c117
c118
c119
c120
c121
c122
c123
c124
wtlc
u tzo
c127
c128
c129
c130
c131
c132
t/ IJO
c134
UIJC
lJt.to
c139
c140
c144
c150
c151
c152
c153
1O-GRY
3-GRY
1-CLR
4-GRN
2.BLK
2-BLK
2-BLK
2-BLK
3-GRY
3-GRY
3.GRY
2-BLK
2.GRY
14-BLU
14-GRY
3-GRY
z.BLK
2.GRY,1O.GRY
1-BLK
2-GRY
4.GRY
2.GRY
4-GRY
2-BLK
2.BLK
2-GRY
1.BLK
2O-BRN
22-GRN
32-GRY
25-GRY
31-BLU
16-GRY
8-GRY.I -GBY
2-GRY
6.GRY
8-LT GRN
2-GRY
2.BLK
3.N/A
Left side of engine compartmenl
Left side ot engine
Middle of engine
Left side of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine compartment
Right side of engine compartment
Middle of engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle ol engine
Right side of engine
Under right side of dash
Behind right kick panel
Below right front footrest
Below right front footrest
Below right front footrest
Below right front footrest
Left side of engine compartment
Middle of engine
Middle of engine
Middle of engine
Left side of engine compartment
Middle of engine
Right side of engine compartment
Right side of engine compartment
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
No. 1 tuel injector
No. 2 fuel injector
No. 3 fuel injector
No. 4 fuel injector
IAC valve
TP sensor
MAP sensor
IAT sensor
Power steering pressure swilch
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershaft speed sensor
Engine coolant temperature switch
Distributor
Engine coolant temperaturesending unit
EU I SenSOr
Primary HO2S (sensor 1)
Lock-up control solenoid valves
Secondary HO2S (sensor 2)
Mainshaft speed sensor
Linear solenoid
Shift control solenoid valves
Starter solenoid
Junction connector
Main wire harness
PCM connector A
PCM connector B
PCM connector C
PCM connector D
Main wire harness
WEC solenoid valve
VTEC pressure switch
EGR valve
Main wire harness
Fuel temperature sensor
Fuel pressure regulator shut-oftsolenoid valve
Fuel pressure sensor
T101
7102
Left side of engine
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G101Right side of engineEngine ground, via engine wirenarness
203-14

Connector ldentification and Wire Harness Routino
Connector
or
Terminal
Number ot
Cavities/
Color
LocationConnects toNotes
Main Wire Harness (Left side of engine compartment branch)
c101
cI36
c136
c150
c201
c202
c202
c301
c302
c304
UOUO
c307
c310
1O.GRY
14-GRY
8.GRY
8.LT GRN
1O-BLU
6.GRY
2-GRY
5.GRY
2.NAT
3-N/A
1.BLK
1-BLK
2.ORN
Left side ot engine compartment
Left side of engine compartment
Letl side of engine compartment
Lett side of engine compaftment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Engine wire harness
Engine wire hamess
Engine wire hamess
Engine compartment wire harness
Engine compartment wire harness
Engine compartment wire harness
Engine compartment wire harness
Windshield wiper motor
Test tachomeier connector
Daytime running lights resistor
Brake fluid level switch (+)
Brake fluid level switch (-)
Left front ABS wheel sensor
.1
'r.q
r5
.4
Canada
ABS
.1 : '96-98 A/T with D16Y5 enoine'2: '96-98 A,/T with D16Y7/D16Y8 enoines.3: With cruise control*4: Without cruise control.5: GX model
Main Wire Harness (Right side of engine compartment branch)
c214
c351
wacl
UJCJ
c356
c357
c358
UOCY
c360
c361
8-GRY
11.GRY
9.GRY
5-BRN
3-GRY
3-ORN
2.ORN
2-ORN
10-oRN
2.ORN
2-8RN
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine comparlment
Right side ot engine compartment
Right side ot engine companment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Engine compartment wire hamess
Under-hood fuse/relay box
Undef-hood tuse/relay box
Under-hood fuse/relay box
ELD unit
Under-hood ABS fuse/relay box
Underhood ABS fuse/relay box
Right front ABS wheel sensor
ABS modulator unit
ABS pump motor
EVAP control canister vent
shut valve
USA
ABS
ABS
Al'D
AE5
ABS-1
G403Bight side of engine compartmentBody ground, via mainwtre narnessABS
.1: '99-'00 models except GX model
203-18

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number ol
Cavities/
Color
LocationConnects toNotes
Main Wire Harness (Left side of dash and floor branch): '96-'97 models
c401
c402
c403
c404
c405
c406
c407
c407
c408
c409
c410
c411
c412
c413
c414
c415
c416
c417
c418
c419
c420
c421
c422
w+4J
c424
c425
c427
c428
c429
c430
c431
c432
c433
c434
lJ+OC
c437
v+.to
c439
14-GRY
4-ORN
4-NAT
14-GRY
4-NAT
8-GRY
2-GRY
2-GRY
1-BRN
1O-WHT
12-GRY
24-BLU
3-YEL
16-GRY
4.BLU
7-BRN
6.NAT
2-N/A
2-YEL
18-GRN
2O.GRN
18-GRN
7-GRN
6-GRN
4-NAT
4-WHT
8.WHT
6-WHT
4-NAT
7-NAT
3-GRY
8-GRY
4.GRY
14-GRY
2-GRY
4-GRY
26-GRY
22-GRY
1-GRN
Behind left kick panel
Behind left kick panel
Under left side ot dash
Under left side of dash
Under left side of dash
Under left side of dash
Under lett side ot dash
Under left side of dash
Under left side of dash
Behind under-dash fuse/relay box
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Under left side of dash
Under left side of dash
Above under-dash fuse/relay box
Under left side of dash
Under left side of dash
Under left side of dash
Behind under-dash fuse/relay box
Behind under-dash fuse/relay box
Behind under-dash fuse/relay box
Front of under-dash iuse/relay box
Front of under-dash fuse/relay box
Under left side of dash
Under left side of dash
Behind steering column cover
Behind steering column cover
Behind steering column cover
Behind steering column cover
Under left side of dash
Under lett side ot dash
Below front console
Below front console
Below front console
Below front console
Behind lett kick panel
Behind left kick panel
Behind under-dash fuse/relay box
Floor wire harness
Floor wire harness
Light flasher relay connector(Security)
Cruise control unit
DRL control unit connector A
DRL control unit connector B
Roof wire harness
Moonroof wire harness
Front fog light connector
Integrated control unit
Dashboard wire harness
Dashboard wire harness
SRS main harness
Data link connector
Starter cut relay
lgnition switch
Security starter cut relay conneclor
Clutch switch
Clutch interlock switch
Under-dash fuse/relay box
Underdash fuse/relay box
Under-dash fuse/relay box
Under-dash fuse/relay box
Underdash fuse/relay box
Horn relay
Brake switch
Combination wiper switch
connector A
Combination wiper switch
connector B
Combination light swilch
connector A
Combination light switch
connector B
Cable reel
lnterlock control unit
Secondary heated oxygen sensor
sub-narness
A,/T gear position switch
Shift lock solenoid
Park pin switch and A,/T gear
position console light
TCM connector A
TCM connector B
Under-dash luse/relay box
ABS
Optional
Canada
Canada-2
'4
Optional
AtT
M/T
Optional'5
M/T
Atl
'6
AN
AN
Atf
CVT
CVT
G401Left kick panelBody ground, via main wire
harness
.2: Without moonroof .5: M/T (with cruise control or for D16Y5 engine)"4: With moonroof .6: With secondary heated oxygen sensor (HO2S)
203-20

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number of
Cavities/
Color
LocationConnects toNotess
Main Wire Harness (Left side of dash and tloor branch): '98 model and all GX models
c401
c402
c403
c404
c405
c406
Q407
c407
c407
c408
c409
c410
c411
c412
c413
c414
c415
c416
c417
c418
c419
c420
c421
c422
c423
c424
c425
c426
c427
c428
c429
c430
c431
c432
c433
c434
c435
c437
c438
c439
c447
c448
14-GRY
4.ORN
4-NAT
14-BLU
4-NAT
8.GRY
2.GRY
2-GRY
6.GRY
1-BRN
1O-WHT
12-GRY
24-BLU
3-YEL
16-GRY
5-BLK
7-BRN
6-NAT
2.N/A
2.YEL
18.GRN
2O.GRN
18-GRN
7.GRN
6.GRN
5-BLK
4.WHT
8-WHT
6-WHT
4-NAT
7-NAT
3.GRY
8-GRY
4-GRY
14-GRY
2.GRY
4.GRY
26.GRY
22-GRY
1.GRN
4-N/A
26-GRY
Behind lett kick panel
Behind lett kick panel
Under lett side of dash
Under lett side ol dash
Under lett side of dash
Under left side of dash
Under lett side of dash
Under lett side ot dash
Under left side of dash
Under l€ft side of dash
Behind undsr-dash tuse/rBlay box
Above under-dash tuse/relay box
Above under-dash tuse/relay box
Above under-dash fuse/relay box
Under lett side of dash
Under-dash relay box
Above under-dash tuse/relay box
Under left side of dash
Under lett side of dash
Under left side of dash
Behind under-dash tuse/relay box
Behind under-dash tuse/relay box
Behind under-dash tuse/relay box
Front of under-dash tuse/relay box
Front ol under-dash fuss/relay box
Under-dash relay box
Under lett side ot dash
Behind steering column cover
Behind steering column cover
Behind steering column cover
Behind steering column cover
Und€r left side of dash
Under lett side of dash
Below front console
Below front console
Below front console
Below front console
Behind left kick panel
Behind left kick panel
Behind under-dash fuse/relay box
Under lett side of dash
Behind left kick panel
Floor wire harness
Floor wire harness
Light tlasher relay connector (Security)
Cruise control unit
DRL control unit connector A
DRL control unit connector B
Boot wire harnsss
Moonroof wire harness
Boof wire harness
Front fog light connector
Integrated control unit
Dashboard wire harness
Dashboard wire harness
SRS main harness
Data link connector
Starler cut rslay
lgnition switch
Security strarter cut relay connector
Clutch switch
Clutch interlock switch
Under-dash fuse/relay box
Under-dash fuse/relay box
Under-dash fuso/rolay box
UndeFdash fuse/relay box
Under-dash fuse/relay box
Horn relay
Brake switch
Combination wiper switch connector A
Combinalion wiper srvitch connector B
Combinalion light switch connector A
Combinalion lighi swilch connector B
Cable reel
lnterlock control unil
Secondary heated oxygen sensorsuD-narness
A,/T gear position switch
Shift lock solenoid
Park pin switch and A/T gearposition console light
TCM connector A
TCM connector B
Underdash lus€/relay box
Fuel injector relay
Injector control module
ABS
Optional
Canada
Canada,2
,4
'7
Optional
AIf
Mtf
Oplional'5
M/T
AN'6
An
A,/T
Alf
CW
CVT'7
'7
'7
G401Left kick panelBody ground, via main wire harness
-2: Without moonroof (except GX)-4: With moonroof'5: M/T (with cruise control or for D16Y5 engine)'6: With secondary heated oxygen sensor (H02S)t7: GX model
203-22

Connector ldentification and Wire Harness Routing
Connector
ol
Terminal
Number ot
Cavlties/
Color
LocationConnects toNotes\
Main Wire Harness (Left side of dash and floor branch): '9$00 models except GX model
c401
c402
c403
c404
c405
c406
c407
c407
c408
c409
c4t0
Q411
c412
c413
c414
c415
c416
c417
c418
c419
c420
c42'l
c423
c424
c425
c426
c42A
c429
c430
c431
c432
c433
c434
c435
c447
c448
c450
c451
2O.GRY
4.ORN
4.NAT
14.BLU
4-NAT
8-GRY
6.GRY
6.GRY
1-BRN
1o-wHT
12-GRY
24-BLU
3.YEL
16-GRY
5.BLK
7-BRN
6.NAT
2-N/A
2-YEL
18.GRN
2O.GRN
18.GRN
7.GRN
6.GRN
5-BLK
4.WHT
8.WHT
6-WHT
4-NAT
7.NAT
3.GRY
8.GRY
4-GRY
14-GRY
2-GFY
4-GRY
22.GRN
2-GRY
3-GRY
18-GRY
Behind left kick panel
Behind left kick panel
Under left side of dash
Under lett side oI dash
Under lett side of dash
Under letl side ol dash
Under lett side oI dash
Under letl side oI dash
Under lefl sids ol dash
Behind under-dash fuse/relay box
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Under lett side ot dash
Under-dash relay box
Above under-dash fuse/relay box
Under left side of dash
Under left side ot dash
Under lett side of dash
Behind under-dash fuse/relay box
Behind under-dash fuss/relay box
Behind under-dash fuse/relay box
Front of under-dash fuse/relay box
Front of under-dash fuse/relay box
Under-dash relay box
Under loft side ot dash
Bohind steering column cov6r
B6hind stesring column cover
Behind steering column cover
Behind steering column cover
Under lett side ot dash
Under lett side ot dash
Below fronl console
Below front console
Below front console
Below front console
Under lett side ot dash
Under lett side of dash
Under left side of dash
Behind lett kick panel
Floor wire harness
Floor wire harness
Light flasher relay connector (Sscurity)
Cruise control unil
DRL control unit connector A
DRL control unit conn€ctor B
Roof wire harness
Moonroof wire harnsss
Front tog light connector
Intsgratgd control unit
Dashboard wire harn€ss
Dashboard wire harness
SRS main harness
Data link connector
Starter cut relay
lgnition switch
S€curity starter cut relay connector
Clutch switch
Clulch interlock switch
Under-dash fuse/relay box
Under-dash tuse/ralay box
Under-dash tuse/ralay box
Under-dash fuse/relay box
Under-dash fuse/relay box
Horn relay
Brake switch
Combination wiper switch connector A
Combination wiper switch conn€ctor B
Combination light switch connector A
Combination light switch conn€ctor B
Cable reel
lnterlock control unit
Secondary heated oxygen sensorsub-narnsss
A/T gsar position switch
Shitt lock solenoid
Park pin switch and A/T gearposition consolo light
Security control unit connactor
Security LED connector
Valet switch connector (Security)
Keyless door lock control unit
ABS
Optional
Canada
Canada
Optional
AN
Mrl
Optional'5
M/T
AN'6
An
Atf
Atf
Optional
Optional
Optional
MKoyloss
G401Left kick panelBody ground, via main wirenarness
'2: Without moonroof"4: With moonroof'5: M/T (with cruise control or for D16Y5 engine)'6: With secondary heated oxygen sensor (HO2S)
203-24

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number ol
Cavities,/
Color
LocationConnects toNotes
Main Wire Harness (Right side of dash branch)
c131
c440
c441
c442
c443
c444
c445
c452
22.GRN
16-BLU
2.BLU
2O-WHT
or GRN
7-BRN
22-ORN
26-ORN
32.GRY
Behind right kick panel
Under middle of dash
Under right side of dash
Under right side of dash
Under right side of dash
Behind right kick panel
Behind right kick panel
Below right front footrest
Engine wire harness
Heater sub-harness A
Service check connector
Junction connector
PGM-Fl main relay
ABS control unit connector A
ABS control unit connector B
ECM/PCM connector A
G402Right kick panelBody ground, via main wire
namess
.1 : '99100 models exceot D l6Y5 with M/T and D1685
MAIN WIRE HARNESS
203-26

)\
) -,
.'
'1: With shift-up indicator or cruise control system ('96-'97 models)
With cruise control system ('98-'00 models)
.2: '96198 models.3: '99-'00 models
c5o9 csrr c510 c515
13 1c517
DISHAOABD w|REIIARNESS
Connector
or
Terminal
Number of
Cavities/
Color
LocationConnects toNotes
Dashboard Wire Harness
c410
c411
c501
c503
TJJUC
UCUO
(Jcu/
c508
cs09
c510
tJctl
c512
uc t.t
c514
c515
c516
c518
c520
12-GRY
24-BLU
2O.GRN
16-BLU
5-GRY
3-GRY
2O-WHT
or BLU
5-YEL
5-GRN
14.GRN
16.8LU
13-BLU
1O-GRY
5-N/A
16-GRN
20-N/A
22.GRN
16-GRY
5.N/A
2-BLK
5-ORN
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Front of under-dash fuse/relay box
Below under-dash fuse/relay box
Left of steering wheel
Left of steering wheel
Below gauges
Left side of dash
Lett side of dash
Left side of dash
Lefl side of dash
Left side of dash
Center ot dash
Csnter of dash
Behind middle of dash
Behind middle ol dash
Behind middle of dash
Behind middle of dash
Behind middle of dash
Behind middle of dash
Left side of dash
Main wire harness
Main wire harness
Underdash fuse/relay box
Floor wire harness
Cruise main switch
Dash lights brightness controller
Junction connector
Gauge assembly connector F
Gauge assembly connector E
Gauge assembly connector A
Gauge assembly connector B
Gauge assembly connector C
Hazard warning switch
Rear window defogger switch
Audio unit connector B (Keyless
receiver circuit)
Audio unil
Security control unit
Audio unit connector A
Security LED connector
Accessory power outlet
Gauge assembly connector D
Afi
SRS.1
AN
.2
-2
Optional-2
.2
Optional("2 Canada)
ABS
G501Under middle of dashBody ground, via dashboard wire
narness
203-27